ISSN 1682-3087 
versión online

ISSN 1561-0888 
versión impresa

INSTRUCTIONS TO THE AUTHORS

• Scope and policy
• Form and preparation of manuscripts
• Conditions of publication

The measures should be stated in units of the metric system; if necessary add measures in other systems; the corresponding abbreviations should be explained in the text. Decimals with comma, not period (example: 0.5)

References in the text should include the name of the author and year, example: (Carrillo, 1988) or ... in accordance with Sánchez (1976) ... or (Chávez and Castro, 1988). If there are several works of an author in a single year, they should be cited with a letter in sequence together with the year (example: Castro, 1952). When there are more than two authors, the Latin words et al in italics will be cited after the first author. (1981).

The bibliography will include all and only the references cited in the text, placing in alphabetical order the surname of the first author, without a number preceding it. Examples: Tarazona, J. 1984. Modificaciones de la infauna bentónica con deficiencia de oxígeno, durante El Niño 1982-3. Rev. Com. Per. Pacífico Sur, (15): 223-238. Hoyos, L.; J. Tarazona; B. Siga y V. Chiong, 1985. Algunos cambios en la ictiofauna y sus relaciones tróficas durante el Fenómeno "El Niño" en la bahía de Ancón. En: W. Arntz; A. Landa y J. Tarazona (Ed.): "El Niño: su impacto en la fauna marina". Bol. Inst. Mar Perú-Callao. Vol. Extraordinario: 163-171.

References to articles in press should include the volume, year, and the name of the journal where they will be published.

The illustrations and the tables should be adequate to be reduced. The figures include maps, schemes, photographs, diagrams, drawings, figures, etc. Should be separated from the text and its location should be pointed out with pencil in the right margin of the manuscript.

The legends of the figures should be presented jointly, in separate sheet and should be sufficiently explanatory. The number of the figure as well as the name of the author should be indicated in the left lower margin of the figure. The drawings, diagrams, and figures should be presented in Canson paper and in Chinese ink, size A4, placed on a white cardboard and with letters and symbols of appropriate size, that permit its reduction without losing clarity. Figures in computers are accepted, but only in high quality (scanned, high resolution, preferably laser printer or equivalent). The figures created in Excel or Word will be included in the diskette to be delivered when the work has been accepted.

The drawings should have a scale so that they can be increased. Only the negatives of photographs in black and white, with wide spectrum of tones and good contrast, placed in a white A4 cardboard will be accepted. The cost for photographs in color should be assumed by the author.

Figures, tables will be listed in correlative order with Arabic numbers. Each table should take a descriptive title in the upper part; photographs will be considered figures for numbering.

The text should contain: Title, title in English, name of the authors, institution of the authors, address of the author to which the correspondence should be directed, summary, key words (maximum of 5), abstract, key words, introduction, material and methods, results, discussion and conclusions, thanks and cited literature. The text should include 25 lines per sheet and 60 characters by line (Courier, 12 points, double space) in bond A4 paper, with a maximum of 20 pages including tables and illustrations.

The title should be written in upper case letters and express the real content of the work. If it includes a generic or specific name, the immediately superior systematic range should be indicated.

The first printing test will be sent to the principal author for correction, before definitively printing it. If this were impossible or difficult, corrections will be carried out by the Editorial Committee. If due to some special circumstances the work should be published not in accordance with the previous disposals, the author should present its request to the Editorial Committee. The principal author will receive 5 reprints of the article free of cost. An additional issue can be requested before the printing takes place, taking into account the respective costs. In addition the author will cover the photographs printing expenditures.